Early-est:     Flores Region, Indonesia    2026.08.17-00:46:49.25    q:B      mb:5.3*    Mwp:5.6    Mwpd:-    Td*T50Ex:0.8     fmamp_polarity:     fmamp_polarity_waveform:     hash:

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details: Magnitude: mb: 5.3* [49]    Mwp: 5.6 [12]    Mwpd: 5.6Xinv [8] Region: Flores Region, Indonesia Origin Time: 2026.08.17-00:46:49.25 UTC Hypocenter: lat: -8.28°  lon: 121.58°  [+/-24km]    depth: 71km  [+/-43km] Location Quality: qualityCode:  B     stdErr: 1.3s   assocPhases: 83   usedPhases: 53 minDist: 0.7°   maxDist: 145.3°   AzGap: 42°   2ndAzGap: 77°   atten: -1.28 [+/-0.23] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 19km   maxHorUnc: 24km   azMaxHorUnc: 25° 68%ConfEllipsoid:   semiMajorAxisLength: 45km   majorAxisAzimuth: 15°   majorAxisPlunge: 69°   semiIntermediateAxisLength: 26km   intermediateAxisAzimuth: 217°   intermediateAxisPlunge: 20°   semiMinorAxisLength: 23km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5 [38]    Td: 1.8s [13]    Td*T50Ex: 0.8 [13]    To: 7.5s [34] Closest plate boundaries:    Banda Sea - Timor [oceanic convergent boundary]: distance: ~40km    Sunda - Timor [continental transform fault]: distance: ~110km    Banda Sea - Sunda [continental transform fault]: distance: ~120km Subduction geometry:    Zone: Sumatra-Java: DEBUG: error: [Errno 2] No such file or directory: 'gmt'    Slab depth at epicenter: error: evaluating slab depth: -999.9 Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  no  YES (40km)  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    0.8    0.8    0.8 Td*To:      13.5      13.5      13.5 Mwp magnitude:        5.6        5.6        5.6 Hypocenter depth:        71km        71km        71km Slab depth at epicenter:        n/a        -        - Tsunami and Rupture predictions (TEST!): No prediction: Event too small (Mwp<7.0) or too few Mwp readings (N<20)

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 50°   dip: 65°   rake: 18° Nodal Plane 2: strike: 312°   dip: 74°   rake: 154° Quality: azimuthalGap: -1°   stationPolarityCount: 45   misfitWeightCount: 18.2   misfit: 0.24   stationDistributionRatio: 0.62   meanDistP: 44.4   meanDistT: 32.3   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (No solution available) Nodal Plane 1: strike: 0°   dip: 0°   rake: 0° Nodal Plane 2: strike: 270°   dip: 90°   rake: 90° Quality: azimuthalGap: -1°   stationPolarityCount: 0   misfitWeightCount: -1.0   misfit: -1.00   stationDistributionRatio: -1.00   meanDistP: -1.0   meanDistT: -1.0   qualityCode: X Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity_waveform
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 314°   dip: 57°   rake: 176° Nodal Plane 2: strike: 47°   dip: 86°   rake: 34° Quality: azimuthalGap: 43°   stationPolarityCount: 45   misfit: 0.33   stationDistributionRatio: 0.63   rmsAngDiffAccPref: 25.17   fracAcc30degPref: 0.85   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1786927604478
Event info last updated: 2026.08.17-01:45:00 UTC
Event first association/location: 2026.08.17-00:51:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA